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Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-169.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-169.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-169.js b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-169.js new file mode 100644 index 0000000000..16ef751878 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-169.js @@ -0,0 +1,41 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.7-6-a-169 +description: > + Object.defineProperties - 'O' is an Array, 'P' is the length + property of 'O', the [[Value]] field of 'desc' is less than value + of the length property, test the [[Configurable]] attribute of + own data property with large index named in 'O' that overrides + inherited accessor property can stop deleting index named + properties (15.4.5.1 step 3.l.ii) +---*/ + +var arr = [0, 1]; + +assert.throws(TypeError, function() { + Object.defineProperty(arr, "1", { + configurable: false + }); + + Object.defineProperty(Array.prototype, "1", { + get: function() { + return 2; + }, + configurable: true + }); + + Object.defineProperties(arr, { + length: { + value: 1 + } + }); +}); +assert.sameValue(arr.length, 2, 'arr.length'); +assert(arr.hasOwnProperty("1"), 'arr.hasOwnProperty("1") !== true'); +assert.sameValue(arr[0], 0, 'arr[0]'); +assert.sameValue(arr[1], 1, 'arr[1]'); +assert.sameValue(Array.prototype[1], 2, 'Array.prototype[1]'); + +reportCompare(0, 0); |